Johannes Hjalmar Giersing
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Copenhagen KS | ??/??/1940 | 0 | Denmark |
| DEN-ch | ??/??/1928 | 0 | Denmark |
| DEN-ch | ??/??/1927 | 0 | Denmark |
| DEN-ch | ??/??/1925 | 0 | Denmark |
Most Played Openings as White
| ECO | Opening | Games |
| C42 | Petrov's defence | 3 games |
| C54 | Giuoco Piano | 3 games |
| B01 | Scandinavian (centre counter) defence | 2 games |
| A00 | Polish (Sokolsky) opening | 2 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C66 | Ruy Lopez, Berlin defence, 4.O-O, d6 | 2 games |
| D32 | Queen's Gambit Declined, Tarrasch defence | 2 games |
| C82 | Ruy Lopez, open, 9.c3 | 1 games |
| D02 | Queen's pawn game | 1 games |


Denmark